import Vue from 'vue'
import Router from 'vue-router'
import Login from '../components/Login.vue'
import '../assets/css/global.css'
import Home from '../components/Home.vue'
Vue.use(Router)

const router=new Router({
  routes:[
    {path:'/', redirect:'/login'},
    {path:'/login',component: Login },
    {path:'/home',component:Home}
  ]
})
router.beforeEach((to,from,next)=>{
  //next是一个函数，表示放行
  //next（‘/login’） 强制跳转
  if(to.path==='/login') return next()
  const tokenStr=window.sessionStorage.getItem('token')
  if(!tokenStr) return next('/login')
  next()
})
export default router
